94. 19. Sylvia nigrescens, Towns. Black-throated Grey Wood-Warbler.

Plate CCCXCV. Figs. 5 and 6. Male.

Wings of moderate length, with the outer three quills nearly equal,

the second longest, the first shorter than the fourth; tail slightly

rounded and emarginate. Male with the upper parts bluish ash-grey, the

middle of the back and tail-coverts streaked with black; the upper

part of the head and neck, the loral space and cheeks, and the fore

part of the neck, with a small portion of the breast black; a band

from the nostril to near the eye yellow; a band over the eye, and

another from the lower mandible along the side of the neck white;

breast and abdomen white, the sides tinged with grey, and streaked

with black; wings blackish-brown, with two white bands formed by the

tips of the secondary coverts and first row of small coverts; quills

edged with light grey; tail blackish-brown, the two outer feathers on

each side almost entirely white, the next with a white patch on the

inner web.

_Male_, 5, wing 2-8/12.

Columbia River. Migratory.

Sylvia nigrescens, Black-throated Grey Warbler, Journ. Acad.

Nat. Sc. Philadelphia, v. vii. p. 191.

Black-throated Grey Warbler, Sylvia nigrescens, Aud. Orn.

Biog. v. v. p. 57.

95. 20. Sylvicola canadensis, Linn. Canada or Black-throated Blue

Wood-Warbler.

Plate CLV. Male. Plate CXLVIII. Female and Young.

Wings rather long, with the third quill longest, the second almost

equal, the fourth longer than the first; tail even. Male dull light

blue above, white beneath; frontal band, cheeks, throat, and sides,

black; a white patch on the wing formed by the bases of the primaries;

outer three tail-feathers with a patch of white on the inner web near

the end, all the rest with a touch of the same. Female greenish-olive

above, light dull-yellow below, with a less extended white patch on

the wing, the white on the tail unconspicuous. Young similar to the

female.

_Male_, 5, 7-1/2.

From Texas northward. Migratory. Abundant.

Motacilla canadensis, Linn. Syst. Nat. v. i. p. 334.

Black-throated Blue Warbler, Sylvia canadensis, Wils. Amer.

Orn. v. ii. p. 115. Male.

Sylvia canadensis, Bonap. Syn. p. 84. Male.

Black-throated Blue Warbler, Sylvia canadensis, Nutt. Man. v.

i. p. 398. Male.

Black-throated Blue Warbler, Sylvia canadensis, Aud. Orn.

Biog. v. ii. p. 309. Male.

Pine-swamp Warbler, Sylvia pusilla, Wils. Amer. Orn. v. v. p.

100. Young.

Sylvia sphagnosa, Bonap. Syn. p. 85. Young.

Pine-swamp Warbler, Sylvia sphagnosa, Nutt. Man. v. i. p. 406.

Young.

Pine-swamp Warbler, Sylvia sphagnosa, Aud. Orn. Biog. v. ii.

p. 279. Female and Young.

96. 21. Sylvicola maculosa, Lath. Blue-headed Yellow-rumped

Wood-Warbler.--Black-and-Yellow Warbler.

Plate CXXIII. Male and Female. Plate L. Young.

Wings of moderate length, the outer four quills nearly equal, the

second and third longest and equal, the fourth longer than the first;

tail almost even. Upper part of head and hind neck ash-grey; eyelids,

and a band over the eye, white; part of forehead, loral space, and a

broad band down the side of the neck, with the fore part of the back,

and upper tail-coverts deep black; lower parts and rump bright yellow;

the lower part of the throat, the breast and sides, spotted with

black; wings and tail-feathers brownish-black, edged with grey; two

white bands on the wing; all the tail-feathers, except the middle two,

with a large patch of white on the inner web, at about two-thirds of

their length. Young yellowish-grey above, with the head light grey,

the rump yellow; lower parts of a duller yellow, with only faint dusky

streaks on the sides.

_Male_, 5, 7-1/2.

From Texas northward. Very abundant. Migratory.

Black-and-Yellow Warbler, Sylvia magnolia, Wils. Amer. Orn. v.

iii. p. 63. Adult.

Sylvia maculosa, Bonap. Syn. p. 78.

Black-and-Yellow Warbler, Sylvia maculosa, Nutt. Man. v. i. p.

370.

Sylvicola maculosa, Yellow-rump Warbler, F. Bor. Amer. v. ii.

p. 213.

Black-and-Yellow Warbler, Sylvia maculosa, Aud. Orn. Biog. v.

ii. p. 145, Adult; v. i. p. 260, Young; v. v. p. 458.

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